+ struct rte_rawdev_xstats_name *xstats_names;
+ struct ntb_hw *hw = dev->dev_private;
+ uint32_t xstats_num, i, j, off;
+
+ if (name == NULL)
+ return -EINVAL;
+
+ xstats_num = NTB_XSTATS_NUM * (hw->queue_pairs + 1);
+ xstats_names = rte_zmalloc("ntb_stats_name",
+ sizeof(struct rte_rawdev_xstats_name) *
+ xstats_num, 0);
+ ntb_xstats_get_names(dev, xstats_names, xstats_num);
+
+ /* Calculate total stats of all queues. */
+ for (i = 0; i < NTB_XSTATS_NUM; i++) {
+ for (j = 0; j < hw->queue_pairs; j++) {
+ off = NTB_XSTATS_NUM * (j + 1) + i;
+ hw->ntb_xstats[i] +=
+ ntb_stats_update(hw->ntb_xstats_off[off],
+ hw->ntb_xstats[off]);
+ }
+ }
+
+ for (i = 0; i < xstats_num; i++) {
+ if (!strncmp(name, xstats_names[i].name,
+ RTE_RAW_DEV_XSTATS_NAME_SIZE)) {
+ *id = i;
+ rte_free(xstats_names);
+ if (i < NTB_XSTATS_NUM)
+ return hw->ntb_xstats[i];
+ else
+ return ntb_stats_update(hw->ntb_xstats_off[i],
+ hw->ntb_xstats[i]);
+ }
+ }
+
+ NTB_LOG(ERR, "Cannot find the xstats name.");
+
+ return -EINVAL;